verb / noun
keep
KEEP/kiːp/
To maintain something in one's possession or in its intended state.
He keeps his childhood toy boat even as an old man.

Etymology
Old English cepan already meant “hold” as well as “pay attention to.” Later senses of preserving something without loss or change connect that older holding sense with continuing to possess it.
In context
fifth Maxim keep the faculty of effort Alive In You by a little gratuitous exercise every day
More examples
- This lid keeps the soup warm.
- She keeps a record of every payment.
- I keep my promises, even when it is difficult.
- He works on the farm to earn his keep.
Forms
keep · keeps · kept · keeping
keeper noun — A person who guards or tends something.